dumb question

Joined
Jan 20, 2006
Messages
486
Location
Morrice, MI
Ok, heres a dumb question (but ill ask anyway). I buy my oil in 5 quart jugs, but only use 4.5 quarts. I save the half quart in a jug untill i get to 4.5. Over time will the oil collect contaminants? such as moisture ect...
 
Joined
Feb 9, 2006
Messages
6,902
Location
Louisiana
Nah, It's not hygroscopic like brake fluid, AFAIK. Well, I guess unless it's a synth w/ certain esters. But I think that property is kept in check somehow. But plain ol' dino shouldn't be.
 
Joined
Oct 22, 2003
Messages
13,132
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By Detroit
I must be obsessed. I have two different half empty quarts that won't be used for 6 months to a year or more. So I repackaged them in empty 16 oz additive containers. [freaknout]
 
Joined
Feb 15, 2003
Messages
1,381
Location
Southeast Kentucky
Schwart, if you are using a clean funnel to pour the 1/2 qt. into the 'collection' jug and keeping the cap tightly sealed in a realively clean area, I don't see an issue.
 
Joined
Jan 11, 2006
Messages
1,151
Location
Clovis, CA
What motor are we talking about here? My Buick 3800 V6 calls for 4.5qts in the owner's manual; but takes a full 5qts to reach the full mark on the dip stick. I always use 5qts. [Smile]
 
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